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Setup.exe

Software Updater

Air Software

This is part of the Air Installer, a download manager which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application Setup.exe by Air Software has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the AirInstaller Download Manager installer. The file has been seen being downloaded from download.pcupgradenow.com.
Publisher:
Air Software  (signed and verified)

Product:
Software Updater

Version:
2.0.93.10

MD5:
149a198cf1055c01bc590abf5d8ccd38

SHA-1:
93d5d5de3734e3edab318edec5f6249c97c7fe57

SHA-256:
d94af3424ed10a61d0fd0d8ab36fa5c0047897e1ca692ebc632ac41fa9942be0

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
5/14/2024 1:05:02 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.AirSoftw.Bundler (M)
16.7.1.2

File size:
925.5 KB (947,728 bytes)

Product version:
2.0.93.10

Copyright:
(c) Air Software

Original file name:
Setup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\setup.exe

Digital Signature
Signed by:
Air Software

Authority:
VeriSign, Inc.

Valid from:
1/24/2013 2:00:00 PM

Valid to:
3/26/2015 1:59:59 PM

Subject:
CN=Air Software, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Air Software, L=Victoria, S=British Columbia, C=CA

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
3AC786E09219DF82DA830E461D4FC39F

File PE Metadata
Compilation timestamp:
12/22/2014 8:26:07 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:SX3VsxdJt5bq177Fn9jspZrAu5nHKC4oywvueq9H5A7wM/IXW3oxYEvj3BRKsTiv:SX0J61ln4rAu5n2PxeImgG27zKaiAk

Entry address:
0x2ABF90

Entry point:
60, BE, 00, 50, 5D, 00, 8D, BE, 00, C0, E2, FF, 57, 83, CD, FF, EB, 10, 90, 90, 90, 90, 90, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, 0B, 75, 28, 8B, 1E, 83, EE, FC, 11, DB, 72, 1F, 48, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, EB, D4, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, EB, 52, 31, C9, 83, E8, 03, 72, 11, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 75, D1, F8, 89...
 
[+]

Entropy:
7.8838

Packer / compiler:
UPX 2.90LZMA

The file Setup.exe has been seen being distributed by the following URL.

http://download.pcupgradenow.com/get/click/.../?uid=2137--1625--1422313095.4008&sid=FX_1625&filename=Setup

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